using Furion;
using Furion.DatabaseAccessor;
using Furion.DatabaseAccessor.Extensions;
using Furion.LinqBuilder;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Ewide.Core.Util
{
    public static class DEntityExtensions
    {
        public async static Task<TEntity> InsertOrUpdate<TEntity>(this TEntity entity) where TEntity : DEntityBase, IPrivateEntity, new()
        {
            if (entity.Id.IsNullOrEmpty())
                await entity.SetInsertDefaultValue().InsertAsync();
            else
                await entity.SetUpdateDefaultValue().UpdateExcludeAsync(new[] { nameof(entity.CreatedTime), nameof(entity.CreatedUserId), nameof(entity.CreatedUserName) });
            return entity;
        }
        public async static Task<TEntity> InsertOrUpdate<TEntity>(this TEntity entity, bool isInsert) where TEntity : DEntityBase, IPrivateEntity, new()
        {
            if (isInsert)
                await entity.SetInsertDefaultValue().InsertAsync();
            else
                await entity.SetUpdateDefaultValue().UpdateAsync();
            return entity;
        }
        public static TEntity SetInsertDefaultValue<TEntity>(this TEntity entity) where TEntity : DEntityBase
        {
            if (string.IsNullOrEmpty(entity.Id))
                entity.Id = Guid.NewGuid().ToString();
            if (!entity.CreatedTime.HasValue)
                entity.CreatedTime = DateTime.Now;
            //if (string.IsNullOrEmpty(entity.CreatedUserId))
            entity.CreatedUserId = GetUserId();
            if (string.IsNullOrEmpty(entity.CreatedUserName))
                entity.CreatedUserName = App.GetService<UserManager>().Name;
            return entity;
        }
        public static TEntity SetUpdateDefaultValue<TEntity>(this TEntity entity) where TEntity : DEntityBase
        {
            entity.UpdatedTime = DateTime.Now;
            entity.UpdatedUserId = GetUserId();
            entity.UpdatedUserName = App.GetService<UserManager>().Name;
            return entity;
        }
        private static string GetUserId()
        {
            var userid = App.GetService<UserManager>().UserId;
            //if (string.IsNullOrWhiteSpace(userid))
            //    userid = App.GetService<UserManager>().WorkUSERID;
            return userid;
        }
    }
}